287755920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5059}}^1$

素因数の和:5157

約数の個数: 120

約数和(自身を含む): 978806400

約数和(自身を除く): 691050480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 3792, 4740, 5059, 5688, 6320, 7110, 9480, 10118, 11376, 14220, 15177, 18960, 20236, 25295, 28440, 30354, 40472, 45531, 50590, 56880, 60708, 75885, 80944, 91062, 101180, 121416, 151770, 182124, 202360, 227655, 242832, 303540, 364248, 399661, 404720, 455310, 607080, 728496, 799322, 910620, 1198983, 1214160, 1598644, 1821240, 1998305, 2397966, 3197288, 3596949, 3642480, 3996610, 4795932, 5994915, 6394576, 7193898, 7993220, 9591864, 11989830, 14387796, 15986440, 17984745, 19183728, 23979660, 28775592, 31972880, 35969490, 47959320, 57551184, 71938980, 95918640, 143877960, 287755920]

約数ペア:

[(1, 287755920), (2, 143877960), (3, 95918640), (4, 71938980), (5, 57551184), (6, 47959320), (8, 35969490), (9, 31972880), (10, 28775592), (12, 23979660), (15, 19183728), (16, 17984745), (18, 15986440), (20, 14387796), (24, 11989830), (30, 9591864), (36, 7993220), (40, 7193898), (45, 6394576), (48, 5994915), (60, 4795932), (72, 3996610), (79, 3642480), (80, 3596949), (90, 3197288), (120, 2397966), (144, 1998305), (158, 1821240), (180, 1598644), (237, 1214160), (240, 1198983), (316, 910620), (360, 799322), (395, 728496), (474, 607080), (632, 455310), (711, 404720), (720, 399661), (790, 364248), (948, 303540), (1185, 242832), (1264, 227655), (1422, 202360), (1580, 182124), (1896, 151770), (2370, 121416), (2844, 101180), (3160, 91062), (3555, 80944), (3792, 75885), (4740, 60708), (5059, 56880), (5688, 50590), (6320, 45531), (7110, 40472), (9480, 30354), (10118, 28440), (11376, 25295), (14220, 20236), (15177, 18960)]